Field Notebook: CO, WY 1955b
Page 13
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Transcription
locally ss with enough silt + small matter to make it whitish. All beds with czvb. remains. 18 23,8 Sandstone, fine grained, in beds loc x bed, has local platy zone 14.5 to 17.1 from base, wezthus buff, 19 3,2 Interbedded, silty ss, + bl silty to sandy sh + shly siltsm 20 0,9 Sandstone, very bedded, loc silty with 0.3 czp Fe brown qtst. 21 2,2 Shell, silty fissle block- and interbeds, shly bl siltsm. 0.12-0.13 sandy siltsm at base, 0.13 lam. fine qr qtzite at top. 22 15,5 Unit is thinly interbedded laminated dk gray to black shell, silty sh, with laminar + very thin